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THL to HEK: distance & flight time
Tachilek (Tachileik Airport) → Heihe (Heihe Airport)
2,537 mi
4,083 km · 2,205 nm
5h 26m
estimated nonstop flight time
+1.5h
time difference · heading northeast
See live THL→HEK fares Phone-only fares on this route — call free
Flight time details
2,537 miles nonstop takes roughly 5h 26m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time gain when reading arrival times on your ticket.
The two airports
- THL — Tachileik Airport · Tachilek, Burma
- HEK — Heihe Airport · Heihe, China
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near THL
- HOE · Ban Huoeisay Airport36 mi away
- CEI · Chiang Rai International Airport37 mi away
- MOG · Mong Hsat Airport44 mi away
- KET · Kengtung Airport60 mi away
Near HEK
- BQS · Ignatyevo Airport18 mi away
- DTU · Wudalianchi Dedu Airport131 mi away
- JGD · Jiagedaqi Airport142 mi away
Frequently asked questions
How far is THL from HEK?
The flight distance from Tachilek (THL) to Heihe (HEK) is 2,537 miles (4,083 km, 2,205 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from THL to HEK?
A nonstop flight takes about 5h 26m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Tachilek and Heihe?
Heihe is 1.5 hours ahead of Tachilek.
What is the cheapest way to fly from THL to HEK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on THL–HEK that never appear on search engines, with no booking fees.